Search a number
-
+
109234980 = 2234567429
BaseRepresentation
bin1101000001011…
…00101100100100
321121112201020000
412200230230210
5210431004410
614501141300
72464324221
oct640545444
9247481200
10109234980
1156729948
12306ba830
13198280aa
1410716948
1598cadc0
hex682cb24

109234980 has 60 divisors (see below), whose sum is σ = 342679260. Its totient is φ = 29128896.

The previous prime is 109234969. The next prime is 109234987. The reversal of 109234980 is 89432901.

It can be written as a sum of positive squares in 2 ways, for example, as 13351716 + 95883264 = 3654^2 + 9792^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (109234987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32095 + ... + 35334.

It is an arithmetic number, because the mean of its divisors is an integer number (5711321).

Almost surely, 2109234980 is an apocalyptic number.

109234980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109234980 is an abundant number, since it is smaller than the sum of its proper divisors (233444280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109234980 is a wasteful number, since it uses less digits than its factorization.

109234980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67450 (or 67439 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 109234980 is about 10451.5539514466. The cubic root of 109234980 is about 478.0286334044.

The spelling of 109234980 in words is "one hundred nine million, two hundred thirty-four thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 67429 134858 202287 269716 337145 404574 606861 674290 809148 1011435 1213722 1348580 1820583 2022870 2427444 3034305 3641166 4045740 5461749 6068610 7282332 9102915 10923498 12137220 18205830 21846996 27308745 36411660 54617490 109234980